Free Course — No signup required

Learn Arduino
in 5 Days

Wire components, write C++ sketches, read sensors, control motors, and build complete projects.

5 lessons
Self-paced
~60 min/day
Free forever
No account needed
Start Day 1 — Free → See what's covered
What you'll learn

Arduino in 5 Days

Free 5-day Arduino course. Setup, digital/analog I/O, sensors, motors, and complete embedded projects.

  • Set up the Arduino IDE and upload your first sketch to an Arduino Uno or Nano
  • Control digital outputs (LEDs, relays) and read digital inputs (buttons, switches)
  • Read analog sensors: potentiometer, LDR light sensor, thermistor temperature sensor
  • Control DC motors with L298N driver, servo motors with PWM, and stepper motors
  • Build a complete project: temperature-controlled fan with LCD display and alarm
C++
sketches
Uno/Nano
boards
5
projects
$0
cost
5-Day Curriculum

Every lesson builds on the last.
No theory without practice.

01
Setup and First Sketch
IDE install, board setup, blink, serial monitor
Arduino IDEblinkserialupload
→
02
Digital I/O
LED control, button input, debouncing, pull-up resistors
digitalWritedigitalReadpull-updebounce
→
03
Analog Sensors
analogRead, ADC, potentiometer, LDR, thermistor, mapping values
analogReadADCLDRthermistor
→
04
Motors
DC motor + L298N, servo with Servo.h, stepper with AccelStepper
L298NServostepperPWM
→
05
Complete Project
Temp-controlled fan: DHT22 + LCD + relay + thresholds + alarm
DHT22LCDrelayproject
→
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Your instructor
B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production systems at scale. Every lesson has concrete examples and exercises you can finish in under an hour.

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